<!--
Backup and device-transfer rules for Android 12+. mobiler_secure.xml (the securestore plugin)
is excluded from both: its values are encrypted with a key in this device's Android Keystore,
which neither a backup nor a transfer carries. Everything else is included, including
cx.save's state (mobiler.xml); that is plaintext, so keep secrets in securestore.
See https://developer.android.com/about/versions/12/backup-restore#xml-changes
-->